Home / 19,431.56-26,786.12-14,051.54

Finding the Fourth Proportional to 19,431.56, 26,786.12 and 14,051.54

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Solution

The fourth proportional to 19,431.56, 26,786.12 and 14,051.54 is: 19,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.56 : 26,786.12 = 14,051.54 : x
  2. Step 2: Convert to fraction form
    19,431.56/26,786.12 = 14,051.54/x
  3. Step 3: Cross multiply
    19,431.56x = 26,786.12 × 14,051.54
  4. Step 4: Simplify right side
    19,431.56x = 376,386,236.62
  5. Step 5: Solve for x
    x = 376,386,236.62/19,431.56
  6. Step 6: Final answer
    x = 19,369.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.